Securing information is a very important method with password protection at very cheap level as at the file level. It is a first effort, however this is not an only step you do to protect your confidential or sensitive data. Excel is being protected by an Office.com/Setup password that helps to access the file in two ways: It lets a you in, and it lets a you to save changes, made by you. During this article, i am going to show you quite simply a way to password-protect a book. You will learn what that protection will and does not do for you and the way to avoid some gotchas. To access excel you need an account on www.Office.com/Setup and if you don’t have an existing account then create one on the given official link office setup Excel's password protection is a nice feature and luckily, it is simple to implement. Simply do not confuse it with sheet protection and that, do not rely on that to secure sensitive data. For the use of the product, you need an account on office Setup.